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M8
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From 8 computers different price, 3 will be selected. What 15 Apr 2006, 02:19
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From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?



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Professor
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From 8 computers different price, 3 will be selected. What 15 Apr 2006, 06:55
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M8
From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?
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= 6/8c3 = 6/56 = 3/28
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s4ur4bh
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From 8 computers different price, 3 will be selected. What 15 Apr 2006, 07:32
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(3/8) * (2/8)
or 3/32
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vipin7um
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From 8 computers different price, 3 will be selected. What 15 Apr 2006, 08:42
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Professor
M8
From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?
= 6/8c3 = 6/56 = 3/28
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3/28 is my choice too. 6 = 6C1.

- Vipin
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M8
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From 8 computers different price, 3 will be selected. What 17 Apr 2006, 19:58
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Professor
M8
From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?
= 6/8c3 = 6/56 = 3/28
Show more


Professor what is 6 in numerator, the number of not most expensive computers? And why do you use this number.
Thank you.
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itishaj
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From 8 computers different price, 3 will be selected. What 18 Apr 2006, 07:58
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M8
Professor
M8
From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?
= 6/8c3 = 6/56 = 3/28

Professor what is 6 in numerator, the number of not most expensive computers? And why do you use this number.
Thank you.
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Numerator is 2C2 * 6C1

2C2 ..ways to select 2 expensive ones from 2 computers.6C1...select any other one computer.

thus numerator is 6.
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From 8 computers different price, 3 will be selected. What 18 Apr 2006, 09:53
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M8,

itishaj explained well. follow this posts.

itishaj
M8
Professor
M8
From 8 computers different price, 3 will be selected. What is the probability that 2 most expensive computers will be selected?
= 6/8c3 = 6/56 = 3/28

Professor what is 6 in numerator, the number of not most expensive computers? And why do you use this number.
Thank you.

Numerator is 2C2 * 6C1

2C2 ..ways to select 2 expensive ones from 2 computers.6C1...select any other one computer.

thus numerator is 6.
Show more
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shampoo
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From 8 computers different price, 3 will be selected. What 18 Apr 2006, 12:35
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i dont understand this problem, can some explain me in english first? I think i need a lesson on probability, any good resource? thanks
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MA466
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From 8 computers different price, 3 will be selected. What 18 Apr 2006, 12:53
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Hi,
Can anyone explain how you got 3/14? Thanks.

ma466
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MA466
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From 8 computers different price, 3 will be selected. What 19 Apr 2006, 07:43
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pls explain this problem. How it is 3/14?
ma466



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Quantitative Questions Forum
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Thank you for understanding, and happy exploring!